Travel mug closure



FIG. 1 is a first perspective view of the travel mug closure;

FIG. 2 is a second perspective view of the travel mug closure;

FIG. 3 is a front elevation view of the travel mug closure;

FIG. 4 is a rear elevation view of the travel mug closure;

FIG. 5 is a right side elevation view of the travel mug closure;

FIG. 6 is a left side elevation view of the travel mug closure;

FIG. 7 is a top view of the travel mug closure; and,

FIG. 8 is a bottom view of the travel mug closure. 

The ornamental design for a travel mug closure, as shown and described. 